<?php
/**!info**
{
	"Plugin Name"  : "plugin_privatemessages_title",
	"Plugin URI"   : "http://enanocms.org/",
	"Description"  : "plugin_privatemessages_desc",
	"Author"       : "Dan Fuhry",
	"Version"      : "1.1.6",
	"Author URI"   : "http://enanocms.org/"
}
**!*/

/*
 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
 * Copyright (C) 2006-2009 Dan Fuhry
 *
 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
 */
 
global $db, $session, $paths, $template, $plugins; // Common objects

function PrivateMessages_paths_init()
{
	register_special_page('PrivateMessages', 'specialpage_private_messages');
}

function page_Special_PrivateMessages()
{
	global $db, $session, $paths, $template, $plugins; // Common objects
	global $lang;
	if ( !$session->user_logged_in )
	{
		die_friendly($lang->get('etc_access_denied_short'), '<p>' . $lang->get('privmsgs_err_need_login', array('login_link' => makeUrlNS('Special', 'Login/' . $paths->page))) . '</p>');
	}
	$argv = Array();
	$argv[] = $paths->getParam(0);
	$argv[] = $paths->getParam(1);
	$argv[] = $paths->getParam(2);
	if ( !$argv[0] )
	{
		$argv[0] = 'InVaLiD';
	}
	switch($argv[0])
	{
		default:
			header('Location: '.makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'));
			break;
		case 'View':
			$id = $argv[1];
			if ( !ctype_digit($id) )
			{
				die_friendly('Message error', '<p>Invalid message ID</p>');
			}
			$q = $db->sql_query('SELECT p.message_from, p.message_to, p.subject, p.message_text, p.date, p.folder_name, u.signature FROM '.table_prefix.'privmsgs AS p LEFT JOIN '.table_prefix.'users AS u ON (p.message_from=u.username) WHERE message_id='.$id.'');
			if ( !$q )
			{
				$db->_die('The message data could not be selected.');
			}
			$r = $db->fetchrow();
			$db->free_result();
			if ( ($r['message_to'] != $session->username && $r['message_from'] != $session->username ) || $r['folder_name']=='drafts' )
			{
				die_friendly($lang->get('etc_access_denied_short'), '<p>' . $lang->get('privmsgs_err_not_authorized_read') . '</p>');
			}
			if ( $r['message_to'] == $session->username )
			{
				$q = $db->sql_query('UPDATE '.table_prefix.'privmsgs SET message_read=1 WHERE message_id='.$id.'');
				$db->free_result();
				if ( !$q )
				{
					$db->_die('Could not mark message as read');
				}
			}
			$template->header();
			userprefs_show_menu();
			?>
				<br />
				<div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4">
					<tr><th colspan="2"><?php echo $lang->get('privmsgs_lbl_message_from', array('sender' => htmlspecialchars($r['message_from']))); ?></th></tr>
					<tr><td class="row1"><?php echo $lang->get('privmsgs_lbl_subject') ?></td><td class="row1"><?php echo $r['subject']; ?></td></tr>
					<tr><td class="row2"><?php echo $lang->get('privmsgs_lbl_date') ?></td><td class="row2"><?php echo enano_date(ED_DATE | ED_TIME, $r['date']); ?></td></tr>
					<tr><td class="row1"><?php echo $lang->get('privmsgs_lbl_message') ?></td><td class="row1"><?php echo RenderMan::render($r['message_text']);
					if ( $r['signature'] != '' )
					{
						echo '<hr style="margin-left: 1em; width: 200px;" />';
						echo RenderMan::render($r['signature']);
					}
					?></td></tr>
					<tr><td colspan="2" class="row3"><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Compose/ReplyTo/'.$id); ?>"><?php echo $lang->get('privmsgs_btn_send_reply'); ?></a>  |  <a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Delete/'.$id); ?>">Delete message</a>  |  <?php if($r['folder_name'] != 'archive') { ?><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Move/'.$id.'/Archive'); ?>"><?php echo $lang->get('privmsgs_btn_archive'); ?></a>  |  <?php } ?><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Inbox') ?>"><?php echo $lang->get('privmsgs_btn_return_to_inbox'); ?></a></td></tr>
				</table></div>
			<?php
			$template->footer();              
			break;
		case 'Move':
			$id = $argv[1];
			if ( !ctype_digit($id) )
			{
				die_friendly('Message error', '<p>Invalid message ID</p>');
			}
			$q = $db->sql_query('SELECT message_to FROM '.table_prefix.'privmsgs WHERE message_id='.$id.'');
			if ( !$q )
			{
				$db->_die('The message data could not be selected.');
			}
			$r = $db->fetchrow();
			$db->free_result();
			if ( $r['message_to'] != $session->username )
			{
				die_friendly($lang->get('etc_access_denied_short'), '<p>' . $lang->get('privmsgs_err_not_authorized_edit') . '</p>');
			}
			$fname = $argv[2];
			if ( !$fname || ( $fname != 'Inbox' && $fname != 'Outbox' && $fname != 'Sent' && $fname != 'Drafts' && $fname != 'Archive' ) )
			{
				die_friendly('Invalid request', '<p>The folder name "'.$fname.'" is invalid.</p>');
			}
			$q = $db->sql_query('UPDATE '.table_prefix.'privmsgs SET folder_name=\''.strtolower($fname).'\' WHERE message_id='.$id.';');
			$db->free_result();
			if ( !$q )
			{
				$db->_die('The message was not successfully moved.');
			}
			die_friendly($lang->get('privmsgs_msg_message_status'), '<p>' . $lang->get('privmsgs_msg_message_moved', array('folder' => $fname)) . '</p><p><a href="'.makeUrlNS('Special', 'PrivateMessages/Folder/Inbox').'">' . $lang->get('privmsgs_btn_return_to_inbox') . '</a></p>');
			break;
		case 'Delete':
			$id = $argv[1];
			if ( !ctype_digit($id) )
			{
				die_friendly('Message error', '<p>Invalid message ID</p>');
			}
			$q = $db->sql_query('SELECT message_to FROM '.table_prefix.'privmsgs WHERE message_id='.$id.'');
			if ( !$q )
			{
				$db->_die('The message data could not be selected.');
			}
			$r = $db->fetchrow();
			if ( $r['message_to'] != $session->username )
			{
				die_friendly($lang->get('etc_access_denied_short'), '<p>You are not authorized to delete this message.</p>');
			}
			$q = $db->sql_query('DELETE FROM '.table_prefix.'privmsgs WHERE message_id='.$id.';');
			if ( !$q )
			{
				$db->_die('The message was not successfully deleted.');
			}
			$db->free_result();
			die_friendly($lang->get('privmsgs_msg_message_status'), '<p>' . $lang->get('privmsgs_msg_message_deleted') . '</p><p><a href="'.makeUrlNS('Special', 'PrivateMessages/Folder/Inbox').'">' . $lang->get('privmsgs_btn_return_to_inbox') . '</a></p>');
			break;
		case 'Compose':
			if ( $argv[1]=='Send' && isset($_POST['_send']) )
			{
				// Check each POST DATA parameter...
				csrf_request_confirm();
				$errors = array();
				if(!isset($_POST['to']) || ( isset($_POST['to']) && $_POST['to'] == ''))
				{
					$errors[] = $lang->get('privmsgs_err_need_username');
				}
				if(!isset($_POST['subject']) || ( isset($_POST['subject']) && $_POST['subject'] == ''))
				{
					$errors[] = $lang->get('privmsgs_err_need_subject');
				}
				if(!isset($_POST['message']) || ( isset($_POST['message']) && $_POST['message'] == ''))
				{
					$errors[] = $lang->get('privmsgs_err_need_message');
				}
				if ( count($errors) < 1 )
				{
					$namelist = $_POST['to'];
					$namelist = str_replace(', ', ',', $namelist);
					$namelist = explode(',', $namelist);
					foreach($namelist as $n) { $n = $db->escape($n); }
					$subject = RenderMan::preprocess_text($_POST['subject']);
					$message = RenderMan::preprocess_text($_POST['message']);
					$base_query = 'INSERT INTO '.table_prefix.'privmsgs(message_from,message_to,date,subject,message_text,folder_name,message_read) VALUES';
					foreach($namelist as $n)
					{
						$base_query .= '(\''.$session->username.'\', \''.$n.'\', '.time().', \''.$subject.'\', \''.$message.'\', \'inbox\', 0),';
					}
					$base_query = substr($base_query, 0, strlen($base_query)-1) . ';';
					$result = $db->sql_query($base_query);
					$db->free_result();
					if ( !$result )
					{
						$db->_die('The message could not be sent.');
					}
					else
					{
						die_friendly($lang->get('privmsgs_msg_message_status'), '<p>' . $lang->get('privmsgs_msg_message_sent', array('inbox_link' => makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'))) . '</p>');
					}
					return;
				}
			}
			else if ( $argv[1] == 'Send' && isset($_POST['_savedraft'] ) )
			{
				csrf_request_confirm();
				$errors = array();
				if ( !isset($_POST['to']) || ( isset($_POST['to']) && $_POST['to'] == '') )
				{
					$errors[] = $lang->get('privmsgs_err_need_username');
				}
				if ( !isset($_POST['subject']) || ( isset($_POST['subject']) && $_POST['subject'] == '') )
				{
					$errors[] = $lang->get('privmsgs_err_need_subject');
				}
				if ( !isset($_POST['message']) || ( isset($_POST['message']) && $_POST['message'] == '') )
				{
					$errors[] = $lang->get('privmsgs_err_need_message');
				}
				if ( count($errors) < 1 )
				{
					$namelist = $_POST['to'];
					$namelist = str_replace(', ', ',', $namelist);
					$namelist = explode(',', $namelist);
					foreach($namelist as $n)
					{
						$n = $db->escape($n);
					}
					if ( count($namelist) > MAX_PMS_PER_BATCH && !$session->get_permssions('mod_misc') )
					{
						die_friendly($lang->get('privmsgs_err_limit_exceeded_title'), '<p>' . $lang->get('privmsgs_err_limit_exceeded_body', array('limit' => MAX_PMS_PER_BATCH)) . '</p>');
					}
					$subject = $db->escape($_POST['subject']);
					$message = RenderMan::preprocess_text($_POST['message']);
					$base_query = 'INSERT INTO '.table_prefix.'privmsgs(message_from,message_to,date,subject,message_text,folder_name,message_read) VALUES';
					foreach($namelist as $n)
					{
						$base_query .= '(\''.$session->username.'\', \''.$n.'\', '.time().', \''.$subject.'\', \''.$message.'\', \'drafts\', 0),';
					}
					$base_query = substr($base_query, 0, strlen($base_query) - 1) . ';';
					$result = $db->sql_query($base_query);
					$db->free_result();
					if ( !$result )
					{
						$db->_die('The message could not be saved.');
					}
				}
			}
			else if(isset($_POST['_inbox']))
			{
				redirect(makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'), '', '', 0);
			}
			if($argv[1] == 'ReplyTo' && preg_match('#^([0-9]+)$#', $argv[2]))
			{
				$to = '';
				$text = '';
				$subj = '';
				$id = $argv[2];
				$q = $db->sql_query('SELECT p.message_from, p.message_to, p.subject, p.message_text, p.date, p.folder_name, u.signature FROM '.table_prefix.'privmsgs AS p LEFT JOIN '.table_prefix.'users AS u ON (p.message_from=u.username) WHERE message_id='.$id.';');
				if ( !$q )
					$db->_die('The message data could not be selected.');
				
				$r = $db->fetchrow();
				$db->free_result();
				if ( ($r['message_to'] != $session->username && $r['message_from'] != $session->username ) || $r['folder_name'] == 'drafts' )
				{
					die_friendly($lang->get('etc_access_denied_short'), '<p>You are not authorized to view the contents of this message.</p>');
				}
				$subj = 'Re: ' . $r['subject'];
				$text = "\n\n\nOn " . enano_date(ED_DATE | ED_TIME, $r['date']) . ", " . $r['message_from'] . " wrote:\n> " . str_replace("\n", "\n> ", $r['message_text']); // Way less complicated than using a regex ;-)
				
				$tbuf = $text;
				while( preg_match("/\n([\> ]*?)\> \>/", $text) )
				{
					$text = preg_replace("/\n([\> ]*?)\> \>/", '\\1>>', $text);
					if ( $text == $tbuf )
						break;
					$tbuf = $text;
				}
				
				$to = $r['message_from'];
			}
			else
			{
				if ( ( $argv[1]=='to' || $argv[1]=='To' ) && $argv[2] )
				{
					$to = htmlspecialchars(str_replace('_', ' ', dirtify_page_id($argv[2])));
				}
				else
				{
					$to = '';
				}
				$text = '';
				$subj = '';
			}
				$template->header();
				userprefs_show_menu();
				if ( isset($errors) && count($errors) > 0 )
				{
					echo '<div class="warning-box">
									' . $lang->get('privmsgs_err_send_submit') . '
									<ul>
										<li>' . implode('</li><li>', $errors) . '</li>
									</ul>
								</div>';
				}
				echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/Compose/Send').'" method="post">';
				
				if ( isset($_POST['_savedraft']) )
				{
					echo '<div class="info-box">' . $lang->get('privmsgs_msg_draft_saved') . '</div>';
				}
				?>
				<br />
				<input type="hidden" name="cstok" value="<?php echo $session->csrf_token; ?>" />
				<div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4">
					<tr>
						<th colspan="2"><?php echo $lang->get('privmsgs_lbl_compose_th'); ?></th>
					</tr>
					<tr>
						<td class="row1">
							<?php echo $lang->get('privmsgs_lbl_compose_to'); ?><br />
							<small><?php echo $lang->get('privmsgs_lbl_compose_to_max', array('limit' => MAX_PMS_PER_BATCH)); ?></small>
						</td>
						<td class="row1">
							<?php echo $template->username_field('to', (isset($_POST['_savedraft'])) ? $_POST['to'] : $to ); ?>
						</td>
					</tr>
					<tr>
						<td class="row2">
							<?php echo $lang->get('privmsgs_lbl_subject'); ?>
						</td>
						<td class="row2">
							<input name="subject" type="text" size="30" value="<?php if(isset($_POST['_savedraft'])) echo htmlspecialchars($_POST['subject']); else echo $subj; ?>" />
						</td>
					</tr>
					<tr>
						<td class="row1">
							<?php echo $lang->get('privmsgs_lbl_message'); ?>
						</td>
						<td class="row1" style="min-width: 80%;">
							<?php
								if ( isset($_POST['_savedraft']) )
								{
									$content = htmlspecialchars($_POST['message']);
								}
								else
								{
									$content =& $text;
								}
								echo $template->tinymce_textarea('message', $content, 20, 40);
							?>
						</td>
					</tr>
					<tr>
						<th class="subhead" colspan="2">
							<input type="submit" name="_send" value="<?php echo $lang->get('privmsgs_btn_send'); ?>" />
							<input type="submit" name="_savedraft" value="<?php echo $lang->get('privmsgs_btn_savedraft'); ?>" />
							<input type="submit" name="_inbox" value="<?php echo $lang->get('privmsgs_btn_return_to_inbox'); ?>" />
						</th>
					</tr>
				</table></div>
				<?php
				echo '</form>';
				$template->footer();
			break;
		case 'Edit':
			$id = $argv[1];
			if ( !ctype_digit($id) )
			{
				die_friendly('Message error', '<p>Invalid message ID</p>');
			}
			$q = $db->sql_query('SELECT message_from, message_to, subject, message_text, date, folder_name, message_read FROM '.table_prefix.'privmsgs WHERE message_id='.$id.'');
			if ( !$q )
			{
				$db->_die('The message data could not be selected.');
			}
			$r = $db->fetchrow();
			$db->free_result();
			if ( $r['message_from'] != $session->username || $r['message_read'] == 1 )
			{
				die_friendly($lang->get('etc_access_denied_short'), '<p>You are not authorized to edit this message.</p>');
			}
			$fname = $argv[2];
			
			if(isset($_POST['_send']))
			{
				// Check each POST DATA parameter...
				$errors = array();
				if(!isset($_POST['to']) || ( isset($_POST['to']) && $_POST['to'] == ''))
				{
					$errors[] = $lang->get('privmsgs_err_need_username');
				}
				if(!isset($_POST['subject']) || ( isset($_POST['subject']) && $_POST['subject'] == ''))
				{
					$errors[] = $lang->get('privmsgs_err_need_subject');
				}
				if(!isset($_POST['message']) || ( isset($_POST['message']) && $_POST['message'] == ''))
				{
					$errors[] = $lang->get('privmsgs_err_need_message');
				}
				if ( count($errors) < 1 )
				{
					$namelist = $_POST['to'];
					$namelist = str_replace(', ', ',', $namelist);
					$namelist = explode(',', $namelist);
					foreach ($namelist as $n)
					{
						$n = $db->escape($n);
					}
					$subject = RenderMan::preprocess_text($_POST['subject']);
					$message = RenderMan::preprocess_text($_POST['message']);
					$base_query = 'UPDATE '.table_prefix.'privmsgs SET subject=\''.$subject.'\',message_to=\''.$namelist[0].'\',message_text=\''.$message.'\',folder_name=\'inbox\' WHERE message_id='.$id.';';
					$result = $db->sql_query($base_query);
					$db->free_result();
					if ( !$result )
					{
						$db->_die('The message could not be sent.');
					}
					else
					{
						die_friendly($lang->get('privmsgs_msg_message_status'), '<p>' . $lang->get('privmsgs_msg_message_sent', array('inbox_link' => makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'))) . '</p>');
					}
					return;
				}
			}
			else if ( isset($_POST['_savedraft']) )
			{
				csrf_request_confirm();
				// Check each POST DATA parameter...
				$errors = array();
				if(!isset($_POST['to']) || ( isset($_POST['to']) && $_POST['to'] == ''))
				{
					$errors[] = $lang->get('privmsgs_err_need_username');
				}
				if(!isset($_POST['subject']) || ( isset($_POST['subject']) && $_POST['subject'] == ''))
				{
					$errors[] = $lang->get('privmsgs_err_need_subject');
				}
				if(!isset($_POST['message']) || ( isset($_POST['message']) && $_POST['message'] == ''))
				{
					$errors[] = $lang->get('privmsgs_err_need_message');
				}
				if ( count($errors) < 1 )
				{
					$namelist = $_POST['to'];
					$namelist = str_replace(', ', ',', $namelist);
					$namelist = explode(',', $namelist);
					foreach ( $namelist as $n )
					{
						$n = $db->escape($n);
					}
					$subject = $db->escape($_POST['subject']);
					$message = RenderMan::preprocess_text($_POST['message']);
					$base_query = 'UPDATE '.table_prefix.'privmsgs SET subject=\''.$subject.'\',message_to=\''.$namelist[0].'\',message_text=\''.$message.'\' WHERE message_id='.$id.';';
					$result = $db->sql_query($base_query);
					$db->free_result();
					if ( !$result )
					{
						$db->_die('The message could not be saved.');
					}
				}
			}
				if ( $argv[1]=='to' && $argv[2] )
				{
					$to = htmlspecialchars($argv[2]);
				}
				else
				{
					$to = '';
				}
				$template->header();
				userprefs_show_menu();
				echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/Edit/'.$id).'" method="post">';
				
				if ( isset($_POST['_savedraft']) )
				{
					echo '<div class="info-box">' . $lang->get('privmsgs_msg_draft_saved') . '</div>';
				}
				?>
				<input type="hidden" name="cstok" value="<?php echo $session->csrf_token; ?>" />
				<br />
				<div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4">
					<tr><th colspan="2"><?php echo $lang->get('privmsgs_lbl_edit_th'); ?></th></tr>
					<tr>
						<td class="row1">
							<?php echo $lang->get('privmsgs_lbl_compose_to'); ?><br />
							<small><?php echo $lang->get('privmsgs_lbl_compose_to_max', array('limit' => MAX_PMS_PER_BATCH)); ?></small>
						</td>
						<td class="row1">
							<?php echo $template->username_field('to', (isset($_POST['_savedraft'])) ? $_POST['to'] : $r['message_to'] ); ?>
						</td>
					</tr>
					<tr>
						<td class="row2">
							<?php echo $lang->get('privmsgs_lbl_subject'); ?>
						</td>
						<td class="row2">
							<input name="subject" type="text" size="30" value="<?php if(isset($_POST['_savedraft'])) echo htmlspecialchars($_POST['subject']); else echo $r['subject']; ?>" />
						</td>
					</tr>
					<tr>
						<td class="row1">
							<?php echo $lang->get('privmsgs_lbl_message'); ?>
						</td>
						<td class="row1" style="min-width: 80%;">
							<?php
								if ( isset($_POST['_savedraft']) )
								{
									$content = htmlspecialchars($_POST['message']);
								}
								else
								{
									$content =& $r['message_text'];
								}
								echo $template->tinymce_textarea('message', $content, 20, 40);
							?>
						</td>
					</tr>
					
					<tr>
						<th class="subhead" colspan="2">
							<input type="submit" name="_send" value="<?php echo $lang->get('privmsgs_btn_send'); ?>" />
							<input type="submit" name="_savedraft" value="<?php echo $lang->get('privmsgs_btn_savedraft'); ?>" />
						</th>
					</tr>
				</table></div>
				<?php
				echo '</form>';
				$template->footer();
			break;
		case 'Folder':
			$template->header();
			userprefs_show_menu();
			switch($argv[1])
			{
				default:
					echo '<p>' . $lang->get('privmsgs_err_folder_not_exist', array(
							'folder_name' => htmlspecialchars($argv[1]),
							'inbox_url' => makeUrlNS('Special', 'PrivateMessages/Folder/Inbox')
						)) . '</p>';
					break;
				case 'Inbox':
				case 'Outbox':
				case 'Sent':
				case 'Drafts':
				case 'Archive':
					?>
					<table border="0" width="100%" cellspacing="10" cellpadding="0">
					<tr>
					<td style="padding: 0px; width: 120px;" valign="top"  >
					<div class="tblholder" style="width: 120px;"><table border="0" width="120" cellspacing="1" cellpadding="4">
					<tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_privmsgs'); ?></small></th></tr>
					<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'); ?>"><?php echo $lang->get('privmsgs_folder_inbox'); ?></a></small></td></tr>
					<tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Outbox'); ?>"><?php echo $lang->get('privmsgs_folder_outbox'); ?></a></small></td></tr>
					<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Sent'); ?>"><?php echo $lang->get('privmsgs_folder_sent'); ?></a></small></td></tr>
					<tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Drafts'); ?>"><?php echo $lang->get('privmsgs_folder_drafts'); ?></a></small></td></tr>
					<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Archive'); ?>"><?php echo $lang->get('privmsgs_folder_archive'); ?></a></small></td></tr>
					<tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_buddies'); ?></small></th></tr>
					<tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FriendList'); ?>"><?php echo $lang->get('privmsgs_sidebar_friend_list'); ?></a></small></td></tr>
					<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FoeList'); ?>"><?php echo $lang->get('privmsgs_sidebar_foe_list'); ?></a></small></td></tr>
					</table></div>
					</td>
					<td valign="top">
					<?php
					$fname = strtolower($argv[1]);
					switch($argv[1])
					{
						case 'Inbox':
						case 'Archive':
						default:
							$q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject, p.message_read FROM '.table_prefix.'privmsgs AS p WHERE p.folder_name=\''.$fname.'\' AND p.message_to=\''.$session->username.'\' ORDER BY date DESC;');
							break;
						case 'Outbox':
							$q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject, p.message_read FROM '.table_prefix.'privmsgs AS p WHERE p.message_from=\''.$session->username.'\' AND message_read=0 ORDER BY date DESC;');
							break;
						case 'Sent':
							$q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject, p.message_read FROM '.table_prefix.'privmsgs AS p WHERE p.message_from=\''.$session->username.'\' AND message_read=1 ORDER BY date DESC;');
							break;
						case 'Drafts':
							$q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject, p.message_read FROM '.table_prefix.'privmsgs AS p WHERE p.folder_name=\''.$fname.'\' AND p.message_from=\''.$session->username.'\' ORDER BY date DESC;');
							break;
					}
					if ( !$q )
					{
						$db->_die('The private message data could not be selected.');
					}
					if ( $argv[1] == 'Drafts' || $argv[1] == 'Outbox' )
					{
						$act = 'Edit';
					}
					else
					{
						$act = 'View';
					}
					echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/PostHandler').'" method="post">
									<div class="tblholder">
										<table border="0" width="100%" cellspacing="1" cellpadding="4">
											<tr>
												<th colspan="4" style="text-align: left;">' . $lang->get('privmsgs_folder_th_foldername') . ' ' . $lang->get('privmsgs_folder_' . strtolower($argv[1])) . '</th>
											</tr>
										<tr>
											<th class="subhead">';
					if ( $fname == 'drafts' || $fname == 'Outbox' )
					{
						echo $lang->get('privmsgs_folder_th_to');
					}
					else
					{
						echo $lang->get('privmsgs_folder_th_from');
					}
					echo '</th>
								<th class="subhead">' . $lang->get('privmsgs_folder_th_subject') . '</th>
								<th class="subhead">' . $lang->get('privmsgs_folder_th_date') . '</th>
								<th class="subhead">' . $lang->get('privmsgs_folder_th_mark') . '</th>
							</tr>';
					if($db->numrows() < 1)
					{
						echo '<tr><td style="text-align: center;" class="row1" colspan="4">' . $lang->get('privmsgs_msg_no_messages') . '</td></tr>';
					}
					else
					{
						$cls = 'row2';
						while ( $r = $db->fetchrow() )
						{
							if($cls == 'row2') $cls='row1';
							else $cls = 'row2';
							$mto = str_replace(' ', '_', $r['message_to']);
							$mfr = str_replace(' ', '_', $r['message_from']);
							echo '<tr><td class="'.$cls.'"><a href="'.makeUrlNS('User', ( $fname == 'drafts') ? $mto : $mfr).'">';
							if ( $fname == 'drafts' || $fname == 'outbox' )
							{
								echo $r['message_to'];
							}
							else
							{
								echo $r['message_from'];
							}
							
							echo '</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/'.$act.'/'.$r['message_id']).'">';
							
							if ( $r['message_read'] == 0 )
							{
								echo '<b>';
							}
							echo $r['subject'];
							if ( $r['message_read'] == 0 )
							{
								echo '</b>';
							}
							echo '</a></td><td class="'.$cls.'">'.enano_date(ED_DATE | ED_TIME, $r['date']).'</td><td class="'.$cls.'" style="text-align: center;"><input name="marked_'.$r['message_id'].'" type="checkbox" /></td></tr>';
						}
						$db->free_result();
					}
					echo '<tr>
									<th style="text-align: right;" colspan="4">
										<input type="hidden" name="folder" value="'.$fname.'" />
										<input type="submit" name="archive" value="' . $lang->get('privmsgs_btn_archive_selected') . '" />
										<input type="submit" name="delete" value="' . $lang->get('privmsgs_btn_delete_selected') . '" />
										<input type="submit" name="deleteall" value="' . $lang->get('privmsgs_btn_delete_all') . '" />
									</th>
								</tr>';
					echo '</table></div>
					<input type="hidden" name="cstok" value="' . $session->csrf_token . '" />
					</form>
					<br />
					<a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/').'">' . $lang->get('privmsgs_btn_compose') . '</a>
					</td></tr></table>';
					break;
			}
			$template->footer();
			break;
		case 'PostHandler':
			csrf_request_confirm();
			$fname = $db->escape(strtolower($_POST['folder']));
			if($fname=='drafts' || $fname=='outbox')
			{
				$q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject FROM '.table_prefix.'privmsgs AS p WHERE p.folder_name=\''.$fname.'\' AND p.message_from=\''.$session->username.'\' ORDER BY date DESC;');  
			} else {
				$q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject FROM '.table_prefix.'privmsgs AS p WHERE p.folder_name=\''.$fname.'\' AND p.message_to=\''.$session->username.'\' ORDER BY date DESC;');
			}
			if(!$q) $db->_die('The private message data could not be selected.');
					
			if(isset($_POST['archive'])) {
				while($row = $db->fetchrow($q))
				{
					if(isset($_POST['marked_'.$row['message_id']]))
					{
						$e = $db->sql_query('UPDATE '.table_prefix.'privmsgs SET folder_name=\'archive\' WHERE message_id='.$row['message_id'].';');
						if(!$e) $db->_die('Message '.$row['message_id'].' was not successfully moved.');
						$db->free_result();
					}
				}
			} elseif(isset($_POST['delete'])) {
				while($row = $db->fetchrow($q))
				{
					if(isset($_POST['marked_'.$row['message_id']]))
					{
						$e = $db->sql_query('DELETE FROM '.table_prefix.'privmsgs WHERE message_id='.$row['message_id'].';');
						if(!$e) $db->_die('Message '.$row['message_id'].' was not successfully moved.');
						$db->free_result();
					}
				}
			} elseif(isset($_POST['deleteall'])) {
				while($row = $db->fetchrow($q))
				{
					$e = $db->sql_query('DELETE FROM '.table_prefix.'privmsgs WHERE message_id='.$row['message_id'].';');
					if(!$e) $db->_die('Message '.$row['message_id'].' was not successfully moved.');
					$db->free_result();
				}
			} else {
				die_friendly('Invalid request', 'This section can only be accessed from within another Private Message section.');
			}
			$db->free_result($q);
			header('Location: '.makeUrlNS('Special', 'PrivateMessages/Folder/'. substr(strtoupper($_POST['folder']), 0, 1) . substr(strtolower($_POST['folder']), 1, strlen($_POST['folder'])) ));
			break;
		case 'FriendList':
			if($argv[1] == 'Add')
			{
				if(isset($_POST['_go']))
					$buddyname = $_POST['buddyname'];
				elseif($argv[2])
					$buddyname = $argv[2];
				else
					die_friendly('Error adding buddy', '<p>No name specified</p>');
				$q = $db->sql_query('SELECT user_id FROM '.table_prefix.'users WHERE username=\''.$db->escape($buddyname).'\'');
				if(!$q) $db->_die('The buddy\'s user ID could not be selected.');
				if($db->numrows() < 1) echo '<h3>Error adding buddy</h3><p>The username you entered is not in use by any registered user.</p>';
				{
					$r = $db->fetchrow();
					$db->free_result();
					$q = $db->sql_query('INSERT INTO '.table_prefix.'buddies(user_id,buddy_user_id,is_friend) VALUES('.$session->user_id.', '.$r['user_id'].', 1);');
					if(!$q) echo '<h3>Warning:</h3><p>Buddy could not be added: '.$db->get_error().'</p>';
					$db->free_result();
				}
			} elseif($argv[1] == 'Remove' && preg_match('#^([0-9]+)$#', $argv[2])) {
				// Using WHERE user_id prevents users from deleting others' buddies
				$q = $db->sql_query('DELETE FROM '.table_prefix.'buddies WHERE user_id='.$session->user_id.' AND buddy_id='.$argv[2].';');
				$db->free_result();
				if(!$q) echo '<h3>Warning:</h3><p>Buddy could not be deleted: '.$db->get_error().'</p>';
				if(mysql_affected_rows() < 1) echo '<h3>Warning:</h3><p>No rows were affected. Either the selected buddy ID does not exist or you tried to delete someone else\'s buddy.</p>';
			}
			$template->header();
			userprefs_show_menu();
			?>
			<table border="0" width="100%" cellspacing="10" cellpadding="0">
					<tr>
					<td style="padding: 0px; width: 120px;" valign="top"  >
					<div class="tblholder" style="width: 120px;"><table border="0" width="120" cellspacing="1" cellpadding="4">
					<tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_privmsgs'); ?></small></th></tr>
					<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'); ?>"><?php echo $lang->get('privmsgs_folder_inbox'); ?></a></small></td></tr>
					<tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Outbox'); ?>"><?php echo $lang->get('privmsgs_folder_outbox'); ?></a></small></td></tr>
					<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Sent'); ?>"><?php echo $lang->get('privmsgs_folder_sent'); ?></a></small></td></tr>
					<tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Drafts'); ?>"><?php echo $lang->get('privmsgs_folder_drafts'); ?></a></small></td></tr>
					<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Archive'); ?>"><?php echo $lang->get('privmsgs_folder_archive'); ?></a></small></td></tr>
					<tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_buddies'); ?></small></th></tr>
					<tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FriendList'); ?>"><?php echo $lang->get('privmsgs_sidebar_friend_list'); ?></a></small></td></tr>
					<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FoeList'); ?>"><?php echo $lang->get('privmsgs_sidebar_foe_list'); ?></a></small></td></tr>
					</table></div>
					</td>
					<td valign="top">
				<?php
				$q = $db->sql_query('SELECT u.username,b.buddy_id FROM '.table_prefix.'buddies AS b LEFT JOIN '.table_prefix.'users AS u ON ( u.user_id=b.buddy_user_id ) WHERE b.user_id='.$session->user_id.' AND is_friend=1;');
				if(!$q) $db->_die('The buddy list could not be selected.');
				else 
				{
					$allbuds = '';
					echo '<br /><div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4"><tr><th colspan="3">' . $lang->get('privmsgs_th_buddy_list', array('username' => htmlspecialchars($session->username))) . '</th></tr>';
					if($db->numrows() < 1) echo '<tr><td class="row3">' . $lang->get('privmsgs_msg_no_buddies') . '</td></tr>';
					$cls = 'row2';
					while ( $row = $db->fetchrow($q) )
					{
						if($cls=='row2') $cls = 'row1';
						else $cls = 'row2';
						echo '<tr><td class="'.$cls.'"><a href="'.makeUrlNS('User', str_replace(' ', '_', $row['username'])).'" '. ( isPage($paths->nslist['User'].str_replace(' ', '_', $row['username'])) ? '' : 'class="wikilink-nonexistent" ' ) .'>'.$row['username'].'</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/to/'.str_replace(' ', '_', $row['username'])).'">' . $lang->get('privmsgs_btn_buddy_send_pm') . '</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/FriendList/Remove/'.$row['buddy_id']).'">' . $lang->get('privmsgs_btn_buddy_remove') . '</a></td></tr>';
						$allbuds .= str_replace(' ', '_', $row['username']).',';
					}
					$db->free_result();
					$allbuds = substr($allbuds, 0, strlen($allbuds)-1);
					if($cls=='row2') $cls = 'row1';
					else $cls = 'row2';
					echo '<tr><td colspan="3" class="'.$cls.'" style="text-align: center;"><a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/to/'.$allbuds).'">' . $lang->get('privmsgs_btn_pm_all_buddies') . '</a></td></tr>';
					echo '</table></div>';
				}
				echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/FriendList/Add').'" method="post" onsubmit="if(!submitAuthorized) return false;">
							<h3>' . $lang->get('privmsgs_heading_add_buddy') . '</h3>';
				echo '<p>' . $lang->get('privmsgs_lbl_username') . ' '.$template->username_field('buddyname').'  <input type="submit" name="_go" value="' . $lang->get('privmsgs_btn_add') . '" /></p>';
				echo '</form>';
				?>
				</td>
				</tr>
				</table>
				<?php
			$template->footer();
			break;
		case 'FoeList':
			if($argv[1] == 'Add' && isset($_POST['_go']))
			{
				$q = $db->sql_query('SELECT user_id FROM '.table_prefix.'users WHERE username=\''.$db->escape($_POST['buddyname']).'\'');
				if(!$q) $db->_die('The buddy\'s user ID could not be selected.');
				if($db->numrows() < 1) echo '<h3>Error adding buddy</h3><p>The username you entered is not in use by any registered user.</p>';
				{
					$r = $db->fetchrow();
					$q = $db->sql_query('INSERT INTO '.table_prefix.'buddies(user_id,buddy_user_id,is_friend) VALUES('.$session->user_id.', '.$r['user_id'].', 0);');
					if(!$q) echo '<h3>Warning:</h3><p>Buddy could not be added: '.$db->get_error().'</p>';
				}
				$db->free_result();
			} elseif($argv[1] == 'Remove' && preg_match('#^([0-9]+)$#', $argv[2])) {
				// Using WHERE user_id prevents users from deleting others' buddies
				$q = $db->sql_query('DELETE FROM '.table_prefix.'buddies WHERE user_id='.$session->user_id.' AND buddy_id='.$argv[2].';');
				$db->free_result();
				if(!$q) echo '<h3>Warning:</h3><p>Buddy could not be deleted: '.$db->get_error().'</p>';
				if(mysql_affected_rows() < 1) echo '<h3>Warning:</h3><p>No rows were affected. Either the selected buddy ID does not exist or you tried to delete someone else\'s buddy.</p>';
			}
			$template->header();
			userprefs_show_menu();
			?>
				<table border="0" width="100%" cellspacing="10" cellpadding="0">
				<tr>
				<td style="padding: 0px; width: 120px;" valign="top"  >
				<div class="tblholder" style="width: 120px;"><table border="0" width="120" cellspacing="1" cellpadding="4">
				<tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_privmsgs'); ?></small></th></tr>
				<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'); ?>"><?php echo $lang->get('privmsgs_folder_inbox'); ?></a></small></td></tr>
				<tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Outbox'); ?>"><?php echo $lang->get('privmsgs_folder_outbox'); ?></a></small></td></tr>
				<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Sent'); ?>"><?php echo $lang->get('privmsgs_folder_sent'); ?></a></small></td></tr>
				<tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Drafts'); ?>"><?php echo $lang->get('privmsgs_folder_drafts'); ?></a></small></td></tr>
				<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Archive'); ?>"><?php echo $lang->get('privmsgs_folder_archive'); ?></a></small></td></tr>
				<tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_buddies'); ?></small></th></tr>
				<tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FriendList'); ?>"><?php echo $lang->get('privmsgs_sidebar_friend_list'); ?></a></small></td></tr>
				<tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FoeList'); ?>"><?php echo $lang->get('privmsgs_sidebar_foe_list'); ?></a></small></td></tr>
				</table></div>
				</td>
				<td valign="top">
				<?php
				$q = $db->sql_query('SELECT u.username,b.buddy_id FROM '.table_prefix.'buddies AS b LEFT JOIN '.table_prefix.'users AS u ON ( u.user_id=b.buddy_user_id ) WHERE b.user_id='.$session->user_id.' AND is_friend=0;');
				if(!$q) $db->_die('The buddy list could not be selected.');
				else 
				{
					$allbuds = '';
					echo '<br /><div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4"><tr><th colspan="3">' . $lang->get('privmsgs_th_foe_list', array('username' => htmlspecialchars($session->username))) . '</th></tr>';
					if($db->numrows() < 1) echo '<tr><td class="row3">' . $lang->get('privmsgs_msg_no_foes') . '</td></tr>';
					$cls = 'row2';
					while ( $row = $db->fetchrow($q) )
					{
						if($cls=='row2') $cls = 'row1';
						else $cls = 'row2';
						echo '<tr><td class="'.$cls.'"><a href="'.makeUrlNS('User', str_replace(' ', '_', $row['username'])).'" '. ( isPage($paths->nslist['User'].str_replace(' ', '_', $row['username'])) ? '' : 'class="wikilink-nonexistent" ' ) .'>'.$row['username'].'</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/to/'.str_replace(' ', '_', $row['username'])).'">' . $lang->get('privmsgs_btn_buddy_send_pm') . '</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/FoeList/Remove/'.$row['buddy_id']).'">' . $lang->get('privmsgs_btn_buddy_remove') . '</a></td></tr>';
						$allbuds .= str_replace(' ', '_', $row['username']).',';
					}
					$db->free_result();
					$allbuds = substr($allbuds, 0, strlen($allbuds)-1);
					if($cls=='row2') $cls = 'row1';
					else $cls = 'row2';
					echo '</table></div>';
				}
				echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/FoeList/Add').'" method="post" onsubmit="if(!submitAuthorized) return false;">
							<h3>' . $lang->get('privmsgs_heading_add_foe') . '</h3>';
				echo '<p>' . $lang->get('privmsgs_lbl_username') . ' '.$template->username_field('buddyname').'  <input type="submit" name="_go" value="' . $lang->get('privmsgs_btn_add') . '" /></p>';
				echo '</form>';
				?>
				</td>
				</tr>
				</table>
				<?php
			$template->footer();
			break;
	}
}

?>